package cn.edu.jsu.zjj.config;

import cn.edu.jsu.zjj.common.json.JacksonObjectMapper;
import cn.edu.jsu.zjj.interceptor.JwtTokenInterceptor;
import cn.edu.jsu.zjj.model.utils.beanSearch.LikeAND;
import cn.edu.jsu.zjj.model.utils.beanSearch.LikeOR;
import cn.zhxu.bs.FieldOp;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.List;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
@Slf4j
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    @Autowired
    private JwtTokenInterceptor jwtTokenInterceptor;

    /**
     * 注册自定义拦截器
     *
     * @param registry
     */
    protected void addInterceptors(InterceptorRegistry registry) {
        log.info("开始注册自定义拦截器...");
        registry.addInterceptor(jwtTokenInterceptor)
                .addPathPatterns("/**")
                .excludePathPatterns("/user/login", "/doc.html", "/swagger-resources/**", "/webjars/**", "/v2/**", "/swagger-ui.html/**");
    }

    /**
     * 通过knife4j生成接口文档
     * @return
     */

    @Bean
    public FieldOp myOp1() { return new LikeOR(); }

    @Bean
    public FieldOp myOp2() { return new LikeAND(); }

    @Bean
    public Docket docket(){
        log.info("准备生成接口文档...");
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("教务系统项目接口文档")
                .version("2.0")
                .description("教务系统项项目接口文档")
                .build();

        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo)
                .select()
                //指定生成接口需要扫描的包
                .apis(RequestHandlerSelectors.basePackage("cn.edu.jsu.zjj.controller"))
                .paths(PathSelectors.any())
                .build();

        return docket;
    }

    /**
     * 设置静态资源映射
     * @param registry
     */
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
    }

    public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        //创建一个消息转换器对象
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        //需要为消息转换器设置一个对象转换器，对象转换器可以将Java对象序列化为json数据
        converter.setObjectMapper(new JacksonObjectMapper());
        //将自己的消息转化器加入容器中
        converters.add(0, converter);
    }
}
